Frost dates for 65348Otterville, MO
The average last spring frost in Otterville is April 18 and the average first fall frost is October 22, giving a typical growing season of about 186 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 18
- Average first fall frost
- Oct 22
- Growing season
- 186 days
Safer after May 2 (1-in-10 risk)
Possible by Oct 6 (1-in-10 risk)
Last frost typically in 166 days
Frost risk by date
NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.
| Temperature | Last spring: 90% / 50% / 10% chance | First fall: 10% / 50% / 90% chance | Growing season (50%) | Years with at least one |
|---|---|---|---|---|
| Light frost (36°F) | Apr 12 · Apr 28 · May 12 | Sep 26 · Oct 11 · Oct 23 | 165 days | 100% |
| Frost / freeze (32°F) | Apr 1 · Apr 18 · May 2 | Oct 6 · Oct 22 · Nov 1 | 186 days | 100% |
| Hard freeze (28°F) | Mar 19 · Apr 5 · Apr 22 | Oct 18 · Oct 31 · Nov 13 | 207 days | 100% |
Planting calendar for Otterville
Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.
| Crop | Task | Window |
|---|---|---|
| Tomatoes | Start seeds indoors | Mar 18 – May 24 |
| Tomatoes | Transplant outdoors | May 4 – Jul 2 |
| Peppers | Start seeds indoors | Mar 18 – Apr 18 |
| Peppers | Transplant outdoors | May 18 – Jun 18 |
| Eggplant | Start seeds indoors | Apr 4 – May 3 |
| Eggplant | Transplant outdoors | May 18 – Jun 18 |
| Cucumbers | Sow outdoors | May 18 – Jul 12 |
| Summer squash | Sow outdoors | May 4 – Jun 18 |
| Winter squash & pumpkins | Sow outdoors | May 18 – Jun 18 |
| Snap beans | Sow outdoors | May 4 – Aug 4 |
| Sweet corn | Sow outdoors | May 4 – Jul 2 |
| Watermelon & cantaloupe | Sow outdoors | May 18 – Jun 18 |
| Okra | Sow outdoors | May 11 – Jun 3 |
| Peas | Sow outdoors (spring) | Mar 18 – May 3 |
| Potatoes | Plant outdoors (spring) | Mar 18 – May 18 |
| Onions | Start seeds indoors (spring) | Feb 4 – Mar 3 |
| Onions | Transplant outdoors (spring) | Apr 4 – May 3 |
| Broccoli | Start seeds indoors (spring) | Feb 28 – Apr 3 |
| Broccoli | Transplant outdoors (spring) | Apr 4 – May 3 |
| Broccoli | Start seeds indoors (fall) | Jun 22 – Jul 2 |
| Broccoli | Transplant outdoors (fall) | Jul 22 – Aug 2 |
| Cabbage | Start seeds indoors (spring) | Feb 18 – Mar 18 |
| Cabbage | Transplant outdoors (spring) | Mar 18 – Apr 18 |
| Cabbage | Start seeds indoors (fall) | Jun 12 – Jul 12 |
| Cabbage | Transplant outdoors (fall) | Jul 12 – Aug 12 |
| Leaf lettuce | Sow outdoors (spring) | Mar 18 – Jun 3 |
| Leaf lettuce | Sow outdoors (fall) | Jul 12 – Aug 28 |
| Spinach | Sow outdoors (spring) | Mar 11 – Apr 24 |
| Spinach | Sow outdoors (fall) | Jul 29 – Sep 2 |
| Radishes | Sow outdoors (spring) | Mar 18 – May 8 |
| Radishes | Sow outdoors (fall) | Jul 12 – Sep 12 |
| Kale | Sow outdoors (spring) | Apr 4 – Apr 24 |
| Kale | Sow outdoors (fall) | Jul 5 – Aug 12 |
| Carrots | Sow outdoors (spring) | Apr 18 – Jun 3 |
| Carrots | Sow outdoors (fall) | Jun 12 – Jul 28 |
| Garlic | Plant outdoors (fall) | Oct 12 – Nov 12 |
Where these dates come from
ZIP code 65348 is matched to the NOAA station Sedalia Wtp, MO, 18.9 km away, at 780 ft elevation (48 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Sedalia Wtp, MO (used) | 780 ft | Apr 18 | Oct 22 |
| Sedalia Mem Ap, MO | 900 ft | Apr 10 | Oct 26 |
| Cole Camp 3Nw, MO | 1,000 ft | Apr 13 | Oct 23 |
| Versailles, MO | 1,003 ft | Apr 8 | Oct 29 |
Frost dates near Otterville
- Smithton, MO 65350 · last Apr 18, first Oct 22
- Florence, MO 65329 · last Apr 10, first Oct 26
- Syracuse, MO 65354 · last Apr 10, first Oct 26
- Pilot Grove, MO 65276 · last Apr 5, first Oct 29
- Sedalia, MO 65302 · last Apr 10, first Oct 26
- Bunceton, MO 65237 · last Apr 5, first Oct 29
- Tipton, MO 65081 · last Apr 11, first Oct 25
- Hughesville, MO 65334 · last Apr 10, first Oct 26
Frequently asked questions
- When is the last frost in Otterville, MO?
- For ZIP code 65348, the average last spring frost (32°F) is April 18, based on NOAA 1991-2020 climate normals for the Sedalia Wtp, MO weather station. There is a 1-in-10 chance of a frost after May 2.
- When is the first frost in Otterville, MO?
- The average first fall frost (32°F) is October 22. There is a 1-in-10 chance of frost by October 6, so tender plants are at risk from that point on.
- How long is the growing season in 65348?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 186 days long.
- Are these frost dates a forecast?
- No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.